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Randomization eliminates what type of bias that may occur when people with different backgrounds, such as different exposure histories, are not equally distributed across treatment arms?
Compensating Employees
Involves providing wages, salaries, and other benefits to workers in exchange for their services.
Challenges
Refers to difficulties or obstacles that need to be overcome.
Other Countries
Refers to nations beyond one's own, emphasizing differences in culture, legal systems, economic conditions, and governmental structures.
Expatriates
Individuals who live and work outside their native country, usually for a business or professional reason.
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